AT93C46C-10PC

Product Overview

Category

AT93C46C-10PC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C46C-10PC can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains data even when power is removed, ensuring data integrity.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Small package size: The chip comes in a compact package, allowing for space-efficient integration into electronic circuits.

Package and Quantity

The AT93C46C-10PC is available in a 8-pin PDIP (Plastic Dual In-line Package). It is typically sold in reels or tubes containing multiple units.

Specifications

• Operating voltage: 2.5V to 5.5V
• Memory capacity: 1 kilobit (128 bytes)
• Organization: 64 words × 16 bits or 128 bytes
• Write time: 5ms (maximum)
• Data retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The AT93C46C-10PC has the following pin configuration:

┌───┬───┐ │1 └─ 8│ │ │ │2 7│ │ │ │3 6│ │ │ │4 5│ └───┬───┘

1. Chip Select (CS)
2. Serial Clock (CLK)
3. Serial Data Input/Output (DI/DO)
4. Ground (GND)
5. No Connection (NC)
6. Write Enable (WE)
7. Power Supply (VCC)
8. No Connection (NC)

Functional Features

• Byte-level Read and Write: The AT93C46C-10PC allows individual bytes to be read from or written to the memory.
• Sequential Read: It supports sequential reading of multiple bytes, enabling efficient data retrieval.
• Hardware Write Protection: The chip includes a write enable pin (WE) that can be used to protect the memory from accidental writes.
• Self-Timed Programming Cycle: The programming cycle is internally controlled, simplifying the interface requirements.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for various electronic devices.
• Electrically erasable nature allows for easy data updates.
• High endurance ensures reliable long-term usage.
• Sequential read feature enhances data retrieval efficiency.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Relatively slower write time compared to some newer alternatives.

Working Principles

The AT93C46C-10PC utilizes an electrically erasable floating-gate technology. It stores data by trapping charges in a floating gate, which can be erased or programmed using electrical signals. The chip's internal circuitry manages the read, write, and erase operations, ensuring data integrity and reliability.

Detailed Application Field Plans

The AT93C46C-10PC finds applications in various fields, including:

1. Automotive Electronics: Used for storing critical vehicle data, such as mileage, configuration settings, and diagnostic information.
2. Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other control systems for storing configuration parameters and calibration data.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user preferences, channel lists, and firmware updates.
4. Medical Devices: Utilized in medical equipment for storing patient data, device settings, and calibration information.

Detailed and Complete Alternative Models

1. AT24C02: A similar EEPROM chip with a larger memory capacity of 2 kilobits.
2. CAT24C256: Offers a significantly higher memory capacity of 256 kilobits, suitable for applications requiring more storage.
3. M24C64: Another EEPROM chip with a capacity of 64 kilobits, providing a balance between memory size and cost.

These alternative models offer different memory capacities to cater to specific application requirements.

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